[268] | 1 | MODULE trcdta |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dtatem *** |
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| 4 | !! Ocean data : read passive tracer data from monthly atlas data |
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| 5 | !!===================================================================== |
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[340] | 6 | !! TOP 1.0, LOCEAN-IPSL (2005) |
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| 7 | !! $Header$ |
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| 8 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[274] | 9 | !!---------------------------------------------------------------------- |
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[268] | 10 | |
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| 11 | #if defined key_passivetrc && defined key_trc_dta |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! 'key_trc_dta' 3D tracer data field |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | !! dta_trc : read ocean passive tracer data |
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| 16 | !!---------------------------------------------------------------------- |
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| 17 | !! * Modules used |
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[335] | 18 | USE oce_trc |
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| 19 | USE trc |
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| 20 | USE par_sms |
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| 21 | USE lib_print |
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[268] | 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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| 26 | !! * Routine accessibility |
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| 27 | PUBLIC dta_trc ! called by trcdtr.F90 and trcdmp.F90 |
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| 28 | |
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| 29 | !! * Shared module variables |
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| 30 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk,jptra) :: & !: |
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| 31 | trdta !: temperature data at given time-step |
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| 32 | |
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| 33 | !! * Module variables |
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| 34 | REAL(wp), DIMENSION(jpi,jpj,jpk,jptra,2) :: & |
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| 35 | tracdta ! temperature data at two consecutive times |
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| 36 | INTEGER , DIMENSION(jptra) :: & |
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| 37 | nlectr , & !!: switch for reading once |
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| 38 | ntrc1 , & !!: ???? |
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| 39 | ntrc2 !!: ???? |
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| 40 | |
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| 41 | !! * Substitutions |
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| 42 | # include "passivetrc_substitute.h90" |
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| 43 | |
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| 44 | !!---------------------------------------------------------------------- |
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| 45 | !! OPA 9.0 , LODYC-IPSL (2003) |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | !!---------------------------------------------------------------------- |
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| 51 | !! Default case NetCDF file |
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| 52 | !!---------------------------------------------------------------------- |
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[335] | 53 | |
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[268] | 54 | SUBROUTINE dta_trc( kt ) |
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[335] | 55 | !!---------------------------------------------------------------------- |
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| 56 | !! *** ROUTINE dta_trc *** |
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| 57 | !! |
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| 58 | !! ** Purpose : Reads passive tracer data (Levitus monthly data) |
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| 59 | !! |
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| 60 | !! ** Method : Read on unit numtr the interpolated tracer concentra- |
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| 61 | !! tion onto the global grid. Data begin at january. |
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| 62 | !! The value is centered at the middle of month. |
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| 63 | !! In the opa model, kt=1 agree with january 1. |
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| 64 | !! At each time step, a linear interpolation is applied between |
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| 65 | !! two monthly values. |
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| 66 | !! |
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| 67 | !! History : |
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| 68 | !! 8.2 ! 02-04 (O. Aumont) Original code |
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| 69 | !! 9.0 ! 04-03 (C. Ethe) |
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| 70 | !! 9.0 ! 05-03 (O. Aumont and A. El Moussaoui) F90 |
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| 71 | !!---------------------------------------------------------------------- |
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| 72 | !! * Modules used |
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[268] | 73 | USE ioipsl |
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| 74 | |
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| 75 | !! * Arguments |
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[335] | 76 | !! * Arguments |
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[268] | 77 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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| 78 | |
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[335] | 79 | !! * Local declarations |
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[268] | 80 | INTEGER :: ji, jj, jn, jl |
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| 81 | INTEGER, PARAMETER :: & |
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| 82 | jpmois = 12 ! number of months |
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| 83 | |
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| 84 | INTEGER :: & |
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| 85 | imois, iman, i15, itime, ik, & ! temporary integers |
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| 86 | ipi, ipj, ipk ! " " |
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| 87 | INTEGER :: istep(jpmois) |
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| 88 | CHARACTER (len=39) :: clname(jptra) |
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| 89 | REAL(wp), DIMENSION (jpi,jpj) :: zlon, zlat |
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| 90 | REAL(wp), DIMENSION (jpk) :: zlev |
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| 91 | REAL(wp) :: zdate0, zxy, zl |
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[335] | 92 | !!---------------------------------------------------------------------- |
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[268] | 93 | |
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| 94 | DO jn = 1, jptra |
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| 95 | |
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[335] | 96 | IF( lutini(jn) ) THEN |
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[268] | 97 | |
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[335] | 98 | IF ( kt == nit000 ) THEN |
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| 99 | !! 3D tracer data |
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| 100 | IF(lwp)WRITE(numout,*) |
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| 101 | IF(lwp)WRITE(numout,*) ' trcdta: reading tracer' |
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| 102 | IF(lwp)WRITE(numout,*) ' data file ', jn |
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| 103 | IF(lwp)WRITE(numout,*) |
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| 104 | nlectr(jn) = 0 |
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| 105 | ENDIF |
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| 106 | ! Initialization |
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| 107 | iman = jpmois |
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| 108 | i15 = nday/16 |
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| 109 | imois = nmonth + i15 -1 |
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| 110 | IF( imois == 0 ) imois = iman |
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| 111 | itime = jpmois |
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| 112 | ipi = jpiglo |
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| 113 | ipj = jpjglo |
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[268] | 114 | |
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[335] | 115 | ! First call kt=nit000 |
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| 116 | ! -------------------- |
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[268] | 117 | |
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[335] | 118 | IF ( kt == nit000 .AND. nlectr(jn) == 0 ) THEN |
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| 119 | ntrc1(jn) = 0 |
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| 120 | IF(lwp) THEN |
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| 121 | WRITE(numout,*) |
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| 122 | WRITE(numout,*) ' Tracer monthly fields' |
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| 123 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~' |
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| 124 | WRITE(numout,*) ' NetCDF FORMAT' |
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| 125 | WRITE(numout,*) |
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| 126 | ENDIF |
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[268] | 127 | |
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[335] | 128 | ! open file |
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[268] | 129 | |
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[335] | 130 | clname(jn) = 'LEVITUS_'//ctrcnm(jn) |
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| 131 | CALL flinopen(TRIM(clname(jn)),mig(1),nlci,mjg(1),nlcj, & |
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| 132 | .FALSE.,ipi,ipj,ipk,zlon,zlat,zlev,itime, & |
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| 133 | istep,zdate0,rdt,numtr(jn) ) |
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[268] | 134 | |
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[335] | 135 | ! title, dimensions and tests |
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| 136 | IF( itime /= jpmois ) THEN |
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| 137 | IF(lwp) THEN |
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| 138 | WRITE(numout,*) ' ' |
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| 139 | WRITE(numout,*) 'problem with time coordinates' |
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| 140 | WRITE(numout,*) ' itime ',itime,' jpmois ',jpmois |
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| 141 | ENDIF |
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| 142 | STOP 'trc_dta' |
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| 143 | ENDIF |
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[268] | 144 | |
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[335] | 145 | IF( ipi /= jpidta .OR. ipj /= jpjdta .OR. ipk /= jpk ) THEN |
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| 146 | IF(lwp) THEN |
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| 147 | WRITE(numout,*) ' ' |
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| 148 | WRITE(numout,*) 'problem with dimensions' |
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| 149 | WRITE(numout,*) ' ipi ',ipi,' jpidta ',jpidta |
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| 150 | WRITE(numout,*) ' ipj ',ipj,' jpjdta ',jpjdta |
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| 151 | WRITE(numout,*) ' ipk ',ipk,' jpk ',jpk |
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| 152 | ENDIF |
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| 153 | STOP 'trc_dta' |
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| 154 | ENDIF |
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| 155 | IF(lwp)WRITE(numout,*) itime,istep,zdate0,rdt,numtr(jn) |
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| 156 | trdta(:,:,:,jn) = 0. |
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| 157 | |
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[268] | 158 | ENDIF |
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| 159 | |
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| 160 | |
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[335] | 161 | ! Read montly file |
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| 162 | IF( ( kt == nit000 .AND. nlectr(jn) == 0) & |
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| 163 | .OR. imois /= ntrc1(jn) ) THEN |
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| 164 | nlectr(jn) = 1 |
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[268] | 165 | |
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[335] | 166 | ! Calendar computation |
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[268] | 167 | |
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[335] | 168 | ! ntrc1 number of the first file record used in the simulation |
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| 169 | ! ntrc2 number of the last file record |
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[268] | 170 | |
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[335] | 171 | ntrc1(jn) = imois |
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| 172 | ntrc2(jn) = ntrc1(jn) + 1 |
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| 173 | ntrc1(jn) = MOD( ntrc1(jn), iman ) |
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| 174 | IF ( ntrc1(jn) == 0 ) ntrc1(jn) = iman |
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| 175 | ntrc2(jn) = MOD( ntrc2(jn), iman ) |
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| 176 | IF ( ntrc2(jn) == 0 ) ntrc2(jn) = iman |
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| 177 | IF(lwp) WRITE(numout,*) 'first record file used ntrc1 ', ntrc1(jn) |
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| 178 | IF(lwp) WRITE(numout,*) 'last record file used ntrc2 ', ntrc2(jn) |
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[268] | 179 | |
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[335] | 180 | ! Read montly passive tracer data Levitus |
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[268] | 181 | |
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[335] | 182 | CALL flinget( numtr(jn),ctrcnm(jn),jpidta,jpjdta,jpk, & |
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| 183 | jpmois,ntrc1(jn),ntrc1(jn),mig(1),nlci,mjg(1),nlcj, & |
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| 184 | tracdta(1:nlci,1:nlcj,1:jpk,jn,1) ) |
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[268] | 185 | |
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[335] | 186 | CALL flinget( numtr(jn),ctrcnm(jn),jpidta,jpjdta,jpk, & |
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| 187 | jpmois,ntrc2(jn),ntrc2(jn),mig(1),nlci,mjg(1),nlcj, & |
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| 188 | tracdta(1:nlci,1:nlcj,1:jpk,jn,2) ) |
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[268] | 189 | |
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[335] | 190 | IF(lwp) THEN |
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| 191 | WRITE(numout,*) |
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| 192 | WRITE(numout,*) ' read tracer data ', ctrcnm(jn),' ok' |
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| 193 | WRITE(numout,*) |
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| 194 | ENDIF |
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[268] | 195 | |
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[335] | 196 | ! Apply Mask |
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| 197 | DO jl = 1, 2 |
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| 198 | tracdta(:,:,: ,jn,jl) = tracdta(:,:,:,jn,jl) * tmask(:,:,:) |
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| 199 | tracdta(:,:,jpk,jn,jl) = 0. |
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| 200 | IF( lk_zps ) THEN ! z-coord. with partial steps |
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| 201 | DO jj = 1, jpj ! interpolation of temperature at the last level |
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| 202 | DO ji = 1, jpi |
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| 203 | ik = mbathy(ji,jj) - 1 |
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| 204 | IF( ik > 2 ) THEN |
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| 205 | zl = ( gdept(ik) - fsdept(ji,jj,ik) ) / ( gdept(ik) - gdept(ik-1) ) |
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| 206 | tracdta(ji,jj,ik,jn,jl) = (1.-zl) * tracdta(ji,jj,ik,jn,jl) + zl * tracdta(ji,jj,ik-1,jn,jl) |
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| 207 | ENDIF |
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| 208 | END DO |
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| 209 | END DO |
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| 210 | ENDIF |
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[268] | 211 | |
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| 212 | END DO |
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[335] | 213 | |
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[268] | 214 | ENDIF |
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| 215 | |
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[335] | 216 | IF(lwp) THEN |
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| 217 | WRITE(numout,*) ctrcnm(jn), 'Levitus month ', ntrc1(jn), & |
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| 218 | ntrc2(jn) |
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| 219 | WRITE(numout,*) |
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| 220 | WRITE(numout,*) ' Levitus month = ', ntrc1(jn), & |
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[268] | 221 | ' level = 1' |
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[335] | 222 | CALL prihre( tracdta(1,1,1,jn,1), jpi, jpj, 1, jpi, 20, 1 & |
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[268] | 223 | ,jpj, 20, 1., numout ) |
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[335] | 224 | WRITE(numout,*) ' Levitus month = ', ntrc1(jn), & |
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[268] | 225 | ' level = ',jpk/2 |
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[335] | 226 | CALL prihre( tracdta(1,1,jpk/2,jn,1), jpi, jpj, 1, jpi, & |
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[268] | 227 | 20, 1, jpj, 20, 1., numout ) |
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[335] | 228 | WRITE(numout,*) ' Levitus month = ',ntrc1(jn) & |
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[268] | 229 | ,' level = ',jpkm1 |
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[335] | 230 | CALL prihre( tracdta(1,1,jpkm1,jn,1), jpi, jpj, 1, jpi, & |
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[268] | 231 | 20, 1, jpj, 20, 1., numout ) |
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[335] | 232 | ENDIF |
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[268] | 233 | |
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[335] | 234 | ! At every time step compute temperature data |
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[268] | 235 | |
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[335] | 236 | zxy = FLOAT( nday + 15 - 30 * i15 ) / 30. |
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| 237 | trdta(:,:,:,jn)= ( 1. - zxy ) * tracdta(:,:,:,jn,1) & |
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| 238 | + zxy * tracdta(:,:,:,jn,2) |
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[268] | 239 | |
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[335] | 240 | IF( jn == jpno3) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 7.6E-6 |
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| 241 | IF( jn == jpdic) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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| 242 | IF( jn == jptal) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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| 243 | IF( jn == jpoxy) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 44.6E-6 |
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| 244 | IF( jn == jpsil) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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[376] | 245 | IF( jn == jppo4) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 122.E-6 |
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[268] | 246 | |
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| 247 | |
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[335] | 248 | ENDIF |
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| 249 | |
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[268] | 250 | END DO |
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| 251 | |
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| 252 | END SUBROUTINE dta_trc |
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| 253 | |
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| 254 | #else |
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| 255 | |
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| 256 | !!---------------------------------------------------------------------- |
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| 257 | !! Default case NO 3D passive tracer data field |
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| 258 | !!---------------------------------------------------------------------- |
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| 259 | CONTAINS |
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| 260 | SUBROUTINE dta_trc( kt ) ! Empty routine |
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| 261 | WRITE(*,*) 'dta_trc: You should not have seen this print! error?', kt |
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| 262 | END SUBROUTINE dta_trc |
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| 263 | |
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| 264 | #endif |
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| 265 | |
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| 266 | END MODULE trcdta |
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